/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenFlipper is distributed in the hope that it will be useful,           *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/



#include "CoreWidget.hh"

#include <OpenFlipper/widgets/viewModeWidget/viewModeWidget.hh>

#include "OpenFlipper/common/GlobalOptions.hh"

//=============================================================================

/// init ViewModes that were loaded via ini-file
void CoreWidget::initViewModes(){
  //init viewMode subMenu
  if (!viewModeMenu_){
    viewModeMenu_ = new QMenu(tr("View Modes"));
    viewMenu_->addMenu(viewModeMenu_);
    viewGroup_ = new QActionGroup(0);
    viewGroup_->setExclusive(true);
    connect( viewGroup_, SIGNAL( triggered( QAction* ) ), this, SLOT( slotSetViewMode( QAction* ) ) );
  }

  viewModeMenu_->clear();

  bool seenCustom = false;

  for (int i=0; i < viewModes_.size(); i++){

    //Add Separator above the custom widgets
    if (viewModes_[i]->custom && !seenCustom){
      viewModeMenu_->addSeparator();
      seenCustom = true;
    }

    //add Action to viewMenu
    QAction* acViewMode = new QAction(viewModes_[i]->name, this);
    acViewMode->setStatusTip(tr("Change ViewMode"));
    viewGroup_->addAction(acViewMode);
    viewModeMenu_->addAction(acViewMode);

    //add Separator after viewMode 'all'
    if (viewModes_[i]->name == "All")
      viewModeMenu_->addSeparator();
  }

}

/// Add a new viewMode (non-custom)
void CoreWidget::slotAddViewMode(QString _mode, QStringList _usedWidgets){
  slotAddViewMode(_mode, false, _usedWidgets);
}

/// Add a new viewMode
void CoreWidget::slotAddViewMode(QString _mode, bool _custom, QStringList _usedWidgets){
  ViewMode* vm = new ViewMode();
  vm->name = _mode;
  vm->custom = _custom;
  vm->visibleWidgets = _usedWidgets;
  if (_custom)
    viewModes_.push_back(vm);
  else{
    //insert before custom viewModes
    int i = viewModes_.size();
    for (int k=0; k < viewModes_.size(); k++)
      if (viewModes_[k]->custom == true){
        i = k;
        break;
      }
    viewModes_.insert(i,vm);
  }
  initViewModes();
}

/// Remove a viewMode
void CoreWidget::slotRemoveViewMode(QString _name){
  for (int i=0; i < viewModes_.size(); i++)
    if (viewModes_[i]->name == _name && viewModes_[i]->custom == true){ //remove only userdefined viewModes
      viewModes_.remove(i);
      //remove action from menu
      for (int a=0; a < viewModeMenu_->actions().size(); a++)
        if (viewModeMenu_->actions()[a]->text() == _name){
          QAction* action = viewModeMenu_->actions()[a];
          viewModeMenu_->removeAction(action);
          viewGroup_->removeAction(action);
          delete action;
        }
      break;

    }
}

/// Slot for setting the viewMode from menu
void CoreWidget::slotSetViewMode( QAction* action){
  setViewMode( action->text() );
}

/// Slot for setting the viewMode from menu
void CoreWidget::setViewMode( QString _mode ){
  slotChangeView(_mode, QStringList());
}


/// show dialog for changing ViewMode
void CoreWidget::slotViewModeDialog(){
  //init widget
  static viewModeWidget* widget = 0;
  if ( !widget ){
    widget = new viewModeWidget(viewModes_);
    widget->setWindowIcon( OpenFlipper::Options::OpenFlipperIcon() );
    connect(widget, SIGNAL(changeView(QString, QStringList)), this, SLOT(slotChangeView(QString, QStringList)) );
    connect(widget, SIGNAL(saveMode(QString, bool, QStringList)), this, SLOT(slotAddViewMode(QString, bool, QStringList)) );
    connect(widget, SIGNAL(removeMode(QString)), this, SLOT(slotRemoveViewMode(QString)) );
  }
  widget->show( OpenFlipper::Options::defaultToolboxMode() );
}

/// Slot for Changing visible toolWidgets
void CoreWidget::slotChangeView(QString _mode, QStringList _toolWidgets){

  //try to find Widgets if they aren't given
  if (_mode != "" && _toolWidgets.size() == 0)
    for (int i=0; i < viewModes_.size(); i++)
      if (viewModes_[i]->name == _mode)
        _toolWidgets = viewModes_[i]->visibleWidgets;

  // remove all toolbox entries
  toolBox_->clear ();

  //find all widgets that should be visible
  for (int i=0; i < _toolWidgets.size(); i++)
    for (uint p=0; p < plugins_.size(); p++){
      for ( uint j = 0 ; j < plugins_[p].widgets.size(); ++j )
        if (_toolWidgets[i] == plugins_[p].widgets[j].first )
          toolBox_->addItem (plugins_[p].widgets[j].second, plugins_[p].widgets[j].first);
    }

  if (_mode != "")
    OpenFlipper::Options::defaultToolboxMode(_mode);

}